30
PERFORMANCE DATA — 548F (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND See General Fan Performance notes on page 27.
LEGEND
*Motor drive range: 878 to 1192 rpm. All other rpms require a field-
supplied drive.
See General Fan Performance notes on page 27.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30 for single-phase units and 2.40
for three-phase units.
548F060 (5 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Airflow
(Cfm)
Low Speed Medium Speed High Speed
208 v 230, 460, 575 v 208 v 230, 460, 575 v 208 v 230, 460, 575 v
ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts
1500 0.88 0.67 750 1.20 0.71 791 1.19 0.70 782 1.36 0.76 845 1.38 0.79 875 1.44 0.85 949
1600 0.68 0.70 780 1.04 0.74 824 1.04 0.74 821 1.22 0.79 883 1.25 0.82 913 1.33 0.89 988
1700 0.51 0.73 810 0.89 0.77 857 0.89 0.77 861 1.09 0.83 921 1.13 0.85 950 1.22 0.92 1027
1800 0.35 0.75 839 0.73 0.80 891 0.74 0.81 900 0.96 0.86 959 1.00 0.89 988 1.11 0.96 1066
1900 0.26 0.78 873 0.58 0.83 924 0.59 0.84 940 0.86 0.90 997 0.88 0.92 1025 1.00 0.99 1105
2000 0.18 0.81 905 0.42 0.86 957 0.44 0.88 979 0.73 0.93 1035 0.78 0.95 1063 0.92 1.03 1144
2100 0.08 0.84 940 0.27 0.89 990 0.29 0.91 1018 0.59 0.96 1073 0.63 0.99 1101 0.81 1.06 1183
2200 — — — 0.19 0.92 1023 0.19 0.93 1035 0.46 1.00 1111 0.49 1.02 1138 0.69 1.10 1222
2300 — — — 0.11 0.95 1056 0.11 0.97 1076 0.34 1.03 1149 0.41 1.06 1176 0.59 1.13 1261
2400 — — — 0.03 0.98 1096 0.04 1.00 1113 0.19 1.07 1187 0.22 1.09 1213 0.43 1.17 1300
2500 — — — — — — — — — 0.09 1.10 1225 0.12 1.12 1251 0.34 1.20 1340
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure (in. wg)
Watts — Input Watts to Motor
548F060 (5 TONS) — ALTERNATE MOTOR AND BELT DRIVE*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1500 807 0.42 369 913 0.56 489 1011 0.71 621 1103 0.87 766 1188 1.05 923
1600 847 0.49 432 948 0.63 557 1042 0.79 694 1130 0.96 843 1213 1.14 1003
1700 887 0.57 501 983 0.72 632 1073 0.88 774 1158 1.06 928 1239 1.24 1092
1800 928 0.66 579 1020 0.82 715 1106 0.98 863 1188 1.16 1021 1266 1.35 1189
1900 969 0.76 666 1057 0.92 808 1140 1.09 960 1219 1.28 1123 1295 1.48 1296
2000 1010 0.87 761 1095 1.04 909 1175 1.21 1066 1251 1.41 1234 1325 1.61 1411
2100 1052 0.99 866 1133 1.16 1019 1211 1.35 1182 1285 1.54 1355 1355 1.75 1537
2200 1095 1.12 981 1173 1.30 1140 1247 1.49 1308 1319 1.69 1486 1387 1.91 1673
2300 1137 1.26 1105 1212 1.45 1271 1284 1.65 1445 1353 1.85 1628 1420 2.07 1820
2400 1180 1.41 1241 1252 1.61 1412 1322 1.81 1592 1389 2.03 1781 1454 2.25 1977
2500 1223 1.58 1388 1293 1.78 1565 1360 1.99 1751 1425 2.22 1945 ———
548F060 (5 TONS) — ALTERNATE MOTOR AND BELT DRIVE* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1500 1270 1.24 1091 1347 1.45 1269 1421 1.66 1458 1492 1.89 1657 1561 2.13 1865
1600 1292 1.34 1174 1367 1.54 1356 1440 1.76 1547 1509 1.99 1748 1576 2.23 1959
1700 1315 1.44 1267 1389 1.65 1451 1459 1.88 1646 1527 2.11 1849 1593 2.35 2062
1800 1341 1.56 1368 1412 1.77 1556 1481 2.00 1753 1547 2.23 1960 ———
1900 1367 1.68 1478 1437 1.90 1670 1504 2.13 1871 1569 2.37 2080 ———
2000 1395 1.82 1598 1463 2.04 1794 1528 2.28 1998 ——————
2100 1424 1.97 1728 1490 2.20 1928 —————————
2200 1454 2.13 1869 1518 2.36 2073 —————————
2300 1485 2.30 2020 ————————————
2400 ———————————————
2500 ———————————————
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
548F